Fineline Fabrications

4 Leaf 45mm x 8mm Galvanised Eye to Eye Spring - 635mm - Offset Pin - Rated 550KG

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4 Leaf x 45mm x 8mm Galvanised Offset Pinned SHACKLE SPRING 635mm 1100KG PER PAIR

45mm x 635mm shackle eye to eye spring. Also known as a short shackle spring. Galvanised

  • 25 inch (635mm)
  • 45mm x 8mm Leaf Spring
  • 9/16 inch shackle bolt diameter.
  • 2 x 9/16″ Nylon bushes
  • Camber 100mm

Tandem trailer uses short shackle centre springs or standard offset shackle springs. Suits 13″ and 14″ wheels only.

How are springs rated?
Firstly, springs are tested by cyclic compression in a hydraulic press to maximum compression.

Maximum compression is approximately 50mm. After several hours of successful testing, the spring is then a rated.

Spring Ratings
4 Leaf 550kg
4 Leaf 550kg – Galvanised
5 Leaf 650kg – Galvanised